Ground fault circuit interrupt unit



FIG. 1 is a perspective view of a ground fault circuit interrupt unit showing our new design, the broken line showing of the plug, strain reliever and receptacle are included for the purpose of illustrating environmental structure only and form no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a left side elevational view thereof. 

The ornamental design for a ground fault circuit interrupt unit, as shown and described. 